The most beloved BlackBerry native app is hands down BBM. As one of the most used apps on each of our BlackBerry devices, BBM has become a staple in the success of BlackBerry. Many users swear that one of the main reasons they still have or have gotten a BlackBerry is solely based on RIM's popular instant messenger.
Through out the last couple of years though many companies have come out with their own versions of BBM for other platforms. Apps like Qik, WhatsApp, and others have tried to take a bite out of the instant messaging monopoly that is BBM. Most have failed at prying users away from BBM to use their own apps though. Other instant messaging apps that are still to be released, like iMessage for example, aim to copy BBM's look and feel but still lack that certain "je ne sais quoi."
So why is it that BBM has been so successful? What is it that makes it so addicting and fun to use? Here are 10 reasons, in no particular order, why this is the case: